Either he had much lower efficiency than he thought, or it has something to do with the water he added at the end.

It appears he had 4.5 gallons at 1.077 in his kettle and his fermentor then he added water, according to his notes. It's possible that he was only able to transfer 4.5 gallons off the break and hops, but really had over 5 gallons in his kettle. Then he appears to have added water to dilute to 1.056.

to get the url tag to work, you need to put url=address in the first set of brackets (then you can put whatever you want between the brackets), not the address between two sets of brackets.

New member accounts are restricted for the first 48 hours. This is done to inhibit spam posts that inject dozens of links to boost link popularity of spam sites. 48 hours seems to give us all enough time to notice the posts and delete them before they do any damage. Thanks for your patience.